AT319965B - Verfahren zu der Herstellung von Harnstoff - Google Patents
Verfahren zu der Herstellung von HarnstoffInfo
- Publication number
- AT319965B AT319965B AT1121671A AT1121671A AT319965B AT 319965 B AT319965 B AT 319965B AT 1121671 A AT1121671 A AT 1121671A AT 1121671 A AT1121671 A AT 1121671A AT 319965 B AT319965 B AT 319965B
- Authority
- AT
- Austria
- Prior art keywords
- urea
- production
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
- C07C273/04—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds from carbon dioxide and ammonia
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Microwave Tubes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NLAANVRAGE7019056,A NL168506C (nl) | 1970-12-31 | 1970-12-31 | Werkwijze voor de bereiding van ureum. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT319965B true AT319965B (de) | 1975-01-27 |
Family
ID=19811940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT1121671A AT319965B (de) | 1970-12-31 | 1971-12-29 | Verfahren zu der Herstellung von Harnstoff |
Country Status (23)
| Country | Link |
|---|---|
| US (1) | US3867442A (es) |
| JP (1) | JPS511691B1 (es) |
| AT (1) | AT319965B (es) |
| BE (1) | BE777470A (es) |
| BG (1) | BG26665A3 (es) |
| BR (1) | BR7108671D0 (es) |
| CA (1) | CA973564A (es) |
| CS (1) | CS171245B2 (es) |
| DE (1) | DE2165711C3 (es) |
| ES (1) | ES398493A1 (es) |
| FI (1) | FI54914C (es) |
| FR (1) | FR2121068A5 (es) |
| GB (1) | GB1365707A (es) |
| HU (1) | HU168681B (es) |
| IT (1) | IT945737B (es) |
| NL (1) | NL168506C (es) |
| NO (1) | NO135246C (es) |
| PL (1) | PL90701B1 (es) |
| RO (1) | RO63722A (es) |
| SE (1) | SE420719B (es) |
| SU (1) | SU651692A3 (es) |
| YU (1) | YU39704B (es) |
| ZA (1) | ZA718580B (es) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4092358A (en) * | 1968-09-03 | 1978-05-30 | Snamprogetti S.P.A. | Process for the production of urea having a low carbamate content |
| BE790015A (fr) * | 1971-10-19 | 1973-04-12 | Mavrovic Ivo | Synthese de l'uree avec conversion et recuperation de chaleur ameliorees |
| CA1017535A (en) * | 1974-03-29 | 1977-09-20 | Charles Vydra | Method and apparatus for the continuous condensation of a gaseous mixture of ammonia, carbon dioxide and water vapour |
| NL7612162A (nl) * | 1976-11-03 | 1978-05-08 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van een ureum- oplossing uit nh3 en co2. |
| NO150512C (no) * | 1977-05-05 | 1984-10-31 | Montedison Spa | Fremgangsmaate ved fremstilling av urea. |
| JPS55119464A (en) * | 1979-03-09 | 1980-09-13 | Ee K Deyuaru Kk | Sealant coating device to screw thread of joint and valve |
| NL8101174A (nl) * | 1981-03-11 | 1982-10-01 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| NL8104040A (nl) * | 1981-09-01 | 1983-04-05 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| NL8104039A (nl) * | 1981-09-01 | 1983-04-05 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| NL8201652A (nl) * | 1982-04-21 | 1983-11-16 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| NL8303888A (nl) * | 1983-11-13 | 1985-06-03 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| US6287525B1 (en) * | 1994-12-23 | 2001-09-11 | Urea Casale | Process and plant for urea production with reaction spaces having differentiated yields |
| IT1275451B (it) † | 1995-06-30 | 1997-08-07 | Snam Progetti | Procedimento per la sintesi dell'urea comprendente due separate zone di reazione |
| JP3987607B2 (ja) * | 1996-10-07 | 2007-10-10 | 東洋エンジニアリング株式会社 | 改良された尿素合成方法および装置 |
| EP1491526A1 (en) * | 2003-06-27 | 2004-12-29 | Urea Casale S.A. | Process and plant for urea production |
| US7238231B1 (en) * | 2006-11-16 | 2007-07-03 | Tronox Llc | Process for manufacturing zirconia-treated titanium dioxide pigments |
| DE102010009502A1 (de) * | 2010-02-26 | 2011-09-01 | Spawnt Private S.À.R.L. | Verfahren zur Herstellung von Harnstoff |
| CN110590605B (zh) * | 2019-10-11 | 2021-08-24 | 重庆化工职业学院 | 一种氨基甲酸甲酯的生产方法 |
| CN114733336A (zh) * | 2022-04-08 | 2022-07-12 | 华润电力(宁武)有限公司 | 一种防止尿素溶液输送管路堵塞的系统 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3310376A (en) * | 1963-09-09 | 1967-03-21 | Chemical Construction Corp | Process for combined production of ammonia and urea |
| US3406201A (en) * | 1965-06-18 | 1968-10-15 | Exxon Research Engineering Co | Urea synthesis |
| US3503970A (en) * | 1967-07-19 | 1970-03-31 | Mitsui Toatsu Chemicals | Integrated process for producing urea and melamine |
-
1970
- 1970-12-31 NL NLAANVRAGE7019056,A patent/NL168506C/xx not_active IP Right Cessation
-
1971
- 1971-12-22 ZA ZA718580A patent/ZA718580B/xx unknown
- 1971-12-28 US US213115A patent/US3867442A/en not_active Expired - Lifetime
- 1971-12-28 SU SU711731621A patent/SU651692A3/ru active
- 1971-12-28 JP JP47003828A patent/JPS511691B1/ja active Pending
- 1971-12-29 BE BE777470A patent/BE777470A/xx not_active IP Right Cessation
- 1971-12-29 CA CA131,228A patent/CA973564A/en not_active Expired
- 1971-12-29 HU HUSA2297A patent/HU168681B/hu unknown
- 1971-12-29 GB GB6034371A patent/GB1365707A/en not_active Expired
- 1971-12-29 FR FR7147281A patent/FR2121068A5/fr not_active Expired
- 1971-12-29 PL PL1971152555A patent/PL90701B1/pl unknown
- 1971-12-29 NO NO4930/71A patent/NO135246C/no unknown
- 1971-12-29 AT AT1121671A patent/AT319965B/de not_active IP Right Cessation
- 1971-12-30 BR BR8671/71A patent/BR7108671D0/pt unknown
- 1971-12-30 ES ES398493A patent/ES398493A1/es not_active Expired
- 1971-12-30 RO RO7100069266A patent/RO63722A/ro unknown
- 1971-12-30 DE DE2165711A patent/DE2165711C3/de not_active Expired
- 1971-12-30 SE SE7116946A patent/SE420719B/xx unknown
- 1971-12-30 IT IT55121/71A patent/IT945737B/it active
- 1971-12-30 CS CS9139A patent/CS171245B2/cs unknown
- 1971-12-31 YU YU3326/71A patent/YU39704B/xx unknown
- 1971-12-31 BG BG7119391A patent/BG26665A3/xx unknown
- 1971-12-31 FI FI3764/71A patent/FI54914C/fi active
Also Published As
| Publication number | Publication date |
|---|---|
| US3867442A (en) | 1975-02-18 |
| HU168681B (es) | 1976-06-28 |
| IT945737B (it) | 1973-05-10 |
| CS171245B2 (es) | 1976-10-29 |
| DE2165711B2 (de) | 1973-06-28 |
| RO63722A (fr) | 1978-12-15 |
| YU332671A (en) | 1982-02-28 |
| GB1365707A (en) | 1974-09-04 |
| AU3730171A (en) | 1973-06-28 |
| NL168506C (nl) | 1982-04-16 |
| SE420719B (sv) | 1981-10-26 |
| BE777470A (fr) | 1972-06-29 |
| FR2121068A5 (es) | 1972-08-18 |
| DE2165711A1 (de) | 1972-07-06 |
| ZA718580B (en) | 1972-09-27 |
| NL168506B (nl) | 1981-11-16 |
| FI54914B (fi) | 1978-12-29 |
| NO135246B (es) | 1976-11-29 |
| SU651692A3 (ru) | 1979-03-05 |
| BG26665A3 (es) | 1979-05-15 |
| PL90701B1 (es) | 1977-01-31 |
| NO135246C (es) | 1977-03-09 |
| DE2165711C3 (de) | 1974-01-31 |
| NL7019056A (es) | 1972-07-04 |
| YU39704B (en) | 1985-04-30 |
| CA973564A (en) | 1975-08-26 |
| JPS511691B1 (es) | 1976-01-20 |
| FI54914C (fi) | 1979-04-10 |
| BR7108671D0 (pt) | 1973-05-15 |
| ES398493A1 (es) | 1974-08-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ELJ | Ceased due to non-payment of the annual fee |